<template>
  <base-echarts :option="options" :height="height" :width="width" :clear="true"></base-echarts>
</template>

<script type="text/ecmascript-6">
import BaseEcharts from '../base/BaseEcharts';
export default {
  name: 'lineChart',
  components: {BaseEcharts},
  /**
   * 示例：
   *  datas: {
        title_text: "后台数据概览",
        xAxis_data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日'],
        series: [
          {
            name: '总访问量',
            type: 'line',
            stack: '总量',
            data: [120, 132, 101, 134, 90, 230, 210]
          },
          {
            name: '最新消息',
            type: 'line',
            stack: '总量',
            data: [220, 182, 191, 234, 290, 330, 310]
          },
          {
            name: '注册数量',
            type: 'line',
            stack: '总量',
            data: [150, 232, 201, 154, 190, 330, 410]
          },
          {
            name: '访问流量',
            type: 'line',
            stack: '总量',
            data: [320, 332, 301, 334, 390, 330, 320]
          },
          {
            name: '接口调用',
            type: 'line',
            stack: '总量',
            data: [820, 932, 901, 934, 1290, 1330, 1320]
          }
        ]
      }
   */
  props: ['datas', 'width', 'height'],
  data() {
    return {};
  },
  methods: {
  },
  computed: {
    options() {
      let legendData = this.datas.series.map(item => {
        return item.name;
      });
      return {
        title: {
          text: this.datas.title_text
        },
        tooltip: {
          trigger: 'axis'
        },
        legend: {
          data: legendData
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        // toolbox: {
        //   feature: {
        //     saveAsImage: {}
        //   }
        // },
        xAxis: {
          type: 'category',
          boundaryGap: false,
          data: this.datas.xAxis_data
        },
        yAxis: {
          type: 'value'
        },
        series: this.datas.series
      };
    }
  }
};
</script>
